CN103825173A - Compact type Fourier domain mode-locking fiber laser - Google Patents
Compact type Fourier domain mode-locking fiber laser Download PDFInfo
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- CN103825173A CN103825173A CN201410086571.1A CN201410086571A CN103825173A CN 103825173 A CN103825173 A CN 103825173A CN 201410086571 A CN201410086571 A CN 201410086571A CN 103825173 A CN103825173 A CN 103825173A
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Abstract
The invention provides a compact type Fourier domain mode-locking fiber laser, consisting of a signal generator, an adjustable Fabry-Perot filter, a fiber isolator, a polarization controller, a 50:50 optical coupler, a 980nm pumping source, a 980/1550nm wavelength division multiplexer, an erbium-doped fiber, a dispersion compensation fiber, a fiber ring and a 20:80 optical coupler; an input end g of the 980/1550nm wavelength division multiplexer is connected with the 980nm pumping source; the 20:80 optical coupler is provided with three ports, namely an input end m, an output end o and an output end n, and the output laser power ratio of the output end n to the output end o is 20:80; the output end n of the 20:80 optical coupler is the output of the laser. The compact type Fourier domain mode-locking fiber laser disclosed by the invention has the advantages that the structure is compact, the cost is low, the modulation rate is high, the band width is wide, and the laser can stably work at a room temperature.
Description
Technical field
The invention belongs to optical fiber communication and photoelectron technology field, particularly territory mode locked fiber laser in a kind of compact Fu.
Background technology
Mode locked fiber laser has important researching value in fields such as ultrafast optics, nonlinear optics, Photobiology, optical information processing and laser processings.Since entering the nineties, large quantity research has been done in theory and the experiment of people to mode-locked laser, brand-new design concept is proposed in theory, a series of locked mode theories such as such as active mode locking, harmonic mode locking, rational number harmonic mode-locking, additional (or collision) are pulse mode-locked, injecting lock mould, nonlinear optics environment locked mode, nonlinear polarization rotation locked mode, semiconductor saturable absorber locked mode.
Mode locked fiber laser is divided into Active Mode-locked Fiber Laser and the large class of passive mode-locking fiber laser two according to locked mode principle.For traditional Active Mode-locked Fiber Laser, its modulation system is mainly divided into following two kinds: amplitude modulation(PAM) and phase-modulation.Therefore Active Mode-locked Fiber Laser adds amplitude modulator or phase-modulator conventionally exactly in laser resonant cavity, utilize the signal of telecommunication (normally high-frequency radiofrequency signal) to carry out periodic modulation to resonant cavity inner laser, in the time that frequency modulating signal and laser resonant cavity fundamental frequency meet certain relation, can realize mode-locked laser output.Two kinds of modulation techniques of tradition Active Mode-locked Fiber Laser are carried out periodic modulation for laser resonant cavity inner laser amplitude, phase place respectively, aspect realization end light-pulse generator, all obtaining very large success, and being wavelength (frequency) to laser resonant cavity inner laser, Fourier locked mode (FDML) mode carries out periodic modulation, 2006, realize the tuning fiber laser of wavelength high speed and provided the example application at optical coherence imaging (OCT:Optical Coherence Tomography) and middle Fibre Optical Sensor in FDML mode in Fu.
Summary of the invention
The object of the invention is for above-mentioned technical Analysis, a kind of low cost, compact conformation, tunable compact Fourier mode locked fiber laser are provided.
Technical scheme of the present invention:
Territory mode locked fiber laser in a kind of compact Fu, is made up of signal generator, tunable Fabry-perot filter, fibre optic isolater, Polarization Controller, 50:50 optical coupler, 980 nm pumping sources, 980/1550 nm wavelength division multiplexer, Er-doped fiber, dispersion compensating fiber, optical fiber circulator and 20:80 optical coupler; Tunable Fabry-perot filter is provided with three ports and is respectively output a, output b and input c; 50:50 optical coupler is provided with three ports and is respectively input d, output e and Ausgang, and the Output optical power ratio of output e and Ausgang is 50:50; 980/1550 nm wavelength division multiplexer is provided with three ports and is respectively input g, input h and output i, and wherein input g connects the pumping source of 980 nm; Optical fiber circulator is provided with three ports and is respectively input k, input j and output l; 20:80 optical coupler is provided with three ports and is respectively input m, output o and output n, and the Output optical power ratio of output n and output o is 20:80; The input d of the input c of tunable Fabry-perot filter and output b, 50:50 optical coupler and output e, Polarization Controller, fibre optic isolater are connected in series by optical fiber and form closed-loop path; The Ausgang of 50:50 optical coupler, input h and output i, Er-doped fiber, the dispersion compensating fiber of 980/1550 nm wavelength division multiplexer are connected in series; The input m of the input j of optical fiber circulator and output l, 20:80 optical coupler and output o are connected in series by optical fiber and form closed-loop path, the output that wherein the output n of 20:80 optical coupler is laser.
Operation principle of the present invention:
This compact Fourier mode locked fiber laser, utilizes Fabry-perot filter degree intensity modulated is realized to the output of high speed FM signal; By the pumping source pump erbium-doped optical fiber wideband gain spectrum of 980 nm.In this structure, existing linear cavity part also has circulator part, due to the design feature of tunable optic filter, must be put in a loop, and the introducing of linear cavity makes the structure of laser compact.By adjusting Polarization Controller, the polarization state that changes laser makes laser in resonance condition with the output frequency of adjusting signal generator, optical isolator makes light in laser cavity in Unidirectional state, 20% the port output of coupler is for the spectrum monitoring of light and the monitoring of time domain waveform, the anomalous dispersion that optics in dispersion compensating fiber compensation laser cavity and monomode fiber produce, to reduce the live width of Output of laser.
Advantage of the present invention is: this Fourier mode locked fiber laser compact conformation, cost is low, modulation rate is high, it is wide to be with, steady operation at normal temperatures.
Accompanying drawing explanation
Accompanying drawing is this compact Fourier mode locked fiber laser structural representation.
In figure: 1. tunable Fabry-perot filter 3. fibre optic isolaters of signal generator 2.
4. Polarization Controller 5.50:50 optical coupler 6.980 nm pumping source 7.980/1550 nm wavelength division multiplexer 8. Er-doped fiber 9. dispersion compensating fiber 10. optical fiber circulator 11.20:80 optical couplers.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Embodiment:
Territory mode locked fiber laser in a kind of compact Fu, as shown in drawings, formed by signal generator 1, tunable Fabry-perot filter 2, fibre optic isolater 3, Polarization Controller 4,50:50 optical coupler 5,980 nm pumping source 6,980/1550 nm wavelength division multiplexers 7, Er-doped fiber 8, dispersion compensating fiber 9, optical fiber circulator 10 and 20:80 optical coupler 11; Tunable Fabry-perot filter 2 is provided with three ports and is respectively output a, output b and input c; 50:50 optical coupler 5 is provided with three ports and is respectively input d, output e and Ausgang, and the Output optical power ratio of output e and Ausgang is 50:50; 980/1550 nm wavelength division multiplexer 7 is provided with three ports and is respectively input g, input h and output i, and wherein input g connects the pumping source of 980 nm; Optical fiber circulator 10 is provided with three ports and is respectively input k, input j and output l; 20:80 optical coupler 11 is provided with three ports and is respectively input m, output o and output n, and the Output optical power ratio of output n and output o is 20:80; The input d of the input c of tunable Fabry-perot filter 2 and output b, 50:50 optical coupler 5 and output e, Polarization Controller 4, fibre optic isolater 3 are connected in series by optical fiber and form closed-loop path; The Ausgang of 50:50 optical coupler 5, the input h of 980/1550 nm wavelength division multiplexer 7 and output i, Er-doped fiber 8, dispersion compensating fiber 9 are connected in series; The input m of the input j of optical fiber circulator 10 and output l, 20:80 optical coupler 11 and output o are connected in series by optical fiber and form closed-loop path, the output that wherein the output n of 20:80 optical coupler 11 is laser.
In this embodiment, the model of signal generator is DG4000; The model of tunable Fabry-perot filter is FFP-TF2; The model of fibre optic isolater is IO-2.5-1550-VLP; Single-mode optical fiber length that Polarization Controller is wound around is 3 meters; The model of 50:50 optical coupler is SC-1550-50/50-0; The model of 20:80 optical coupler is SC-1550-20/80-0; 980 nm pumping sources are self-control; The model of 980/1550 nm wavelength division multiplexer is 1x2-980/1550nm; The model of optical fiber circulator is FOC-1550-SM-0.25; The length of Er-doped fiber is 10 meters; The length of dispersion compensating fiber is 5 meters.
20% the port output of 20:80 optical coupler is for the spectrum monitoring of light and the monitoring of time domain waveform.
Claims (1)
1. a territory mode locked fiber laser in compact Fu, is characterized in that: be made up of signal generator, tunable Fabry-perot filter, fibre optic isolater, Polarization Controller, 50:50 optical coupler, 980 nm pumping sources, 980/1550 nm wavelength division multiplexer, Er-doped fiber, dispersion compensating fiber, optical fiber circulator and 20:80 optical coupler; Tunable Fabry-perot filter is provided with three ports and is respectively output a, output b and input c; 50:50 optical coupler is provided with three ports and is respectively input d, output e and Ausgang, and the Output optical power ratio of output e and Ausgang is 50:50; 980/1550 nm wavelength division multiplexer is provided with three ports and is respectively input g, input h and output i, and wherein input g connects the pumping source of 980 nm; Optical fiber circulator is provided with three ports and is respectively input k, input j and output l; 20:80 optical coupler is provided with three ports and is respectively input m, output o and output n, and the Output optical power ratio of output n and output o is 20:80; The input d of the input c of tunable Fabry-perot filter and output b, 50:50 optical coupler and output e, Polarization Controller, fibre optic isolater are connected in series by optical fiber and form closed-loop path; The Ausgang of 50:50 optical coupler, input h and output i, Er-doped fiber, the dispersion compensating fiber of 980/1550 nm wavelength division multiplexer are connected in series; The input m of the input j of optical fiber circulator and output l, 20:80 optical coupler and output o are connected in series by optical fiber and form closed-loop path, the output that wherein the output n of 20:80 optical coupler is laser.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703209A (en) * | 2016-04-26 | 2016-06-22 | 芜湖安瑞激光科技有限公司 | Ultra-short pulse fiber laser system using graphene saturable absorber to lock mode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252249A (en) * | 2008-03-28 | 2008-08-27 | 电子科技大学 | haracter cavity passive mode-locking optical fiber laser |
| CN101771232A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院西安光学精密机械研究所 | Sigma cavity ultrashort pulse fiber laser with variable output rate |
| CN102306896A (en) * | 2011-08-18 | 2012-01-04 | 厦门大学 | Graphene-based freely-transformable multi-group multi-wavelength rare earth doped fiber laser |
| JP2012222164A (en) * | 2011-04-08 | 2012-11-12 | Nidek Co Ltd | Wavelength variable laser and optical interference tomograph with it |
| CN102916329A (en) * | 2012-11-09 | 2013-02-06 | 天津理工大学 | Fourier domain mode locking optical fiber laser device |
-
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- 2014-03-11 CN CN201410086571.1A patent/CN103825173A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252249A (en) * | 2008-03-28 | 2008-08-27 | 电子科技大学 | haracter cavity passive mode-locking optical fiber laser |
| CN101771232A (en) * | 2008-12-31 | 2010-07-07 | 中国科学院西安光学精密机械研究所 | Sigma cavity ultrashort pulse fiber laser with variable output rate |
| JP2012222164A (en) * | 2011-04-08 | 2012-11-12 | Nidek Co Ltd | Wavelength variable laser and optical interference tomograph with it |
| CN102306896A (en) * | 2011-08-18 | 2012-01-04 | 厦门大学 | Graphene-based freely-transformable multi-group multi-wavelength rare earth doped fiber laser |
| CN102916329A (en) * | 2012-11-09 | 2013-02-06 | 天津理工大学 | Fourier domain mode locking optical fiber laser device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703209A (en) * | 2016-04-26 | 2016-06-22 | 芜湖安瑞激光科技有限公司 | Ultra-short pulse fiber laser system using graphene saturable absorber to lock mode |
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